$\mathop{Zn}\limits^{0}$`+` $\mathop{HNO_3}\limits^{+5}$`->` $\mathop{Zn}\limits^{+2}(NO_3)$`+`$\mathop{N_2}\limits^{0}$`+`$\mathop{N}\limits^{-3}H_4NO_3$`+`$H_2O$

$\mathop{2N}\limits^{+5}$`+``10e->`$\mathop{N_2}\limits^{0}$      `|xx1`.

$\mathop{N}\limits^{+5}$`+8e->`$\mathop{N}\limits^{-3}$              `|xx2`.   

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$\mathop{4N}\limits^{+5}$`+`$26e$`->`$\mathop{N_2}\limits^{0}$`+`$\mathop{2N}\limits^{-3}$    `|xx1`.

$\mathop{Zn}^\limits{0}$ `- 2e->`$\mathop{Zn}\limits^{+2}$                     `|xx13`.

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`13Zn+4HNO_3->13Zn(NO_3)_2+N_2+2NH_4NO_3+H_2O`

`-`Cân bằng số gốc axit `(NO_3)` hai bên ta được`:`.

`13Zn+32HNO_3->13Zn(NO_3)_2+N_2+2NH_4NO_3+H_2O`

`-`Cân bằng số nguyên tử hiđro hai bên ta được`:`.

`13Zn+32HNO_3->13Zn(NO_3)_2+N_2+2NH_4NO_3+12H_2O`